intel-iommu: Fix reference by physical address in intel_iommu_attach_device()

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Commit a99c47a2 "intel-iommu: errors with smaller iommu widths" replace the
dmar_domain->pgd with the first entry of page table when iommu's supported
width is smaller than dmar_domain's. But it use physical address directly
for new dmar_domain->pgd...

This result in KVM oops with VT-d on some machines.

Reported-by: Allen Kay <allen.m.kay@intel.com>
Cc: Tom Lyon <pugs@cisco.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

...

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Sheng Yang 2010-06-12 19:21:42 +08:00 • committed by David Woodhouse

parent 7e27d6e778

commit 25cbff1660

1 changed files with 2 additions and 1 deletions

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drivers/pci/intel-iommu.c

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